Internal-combustion engine



March 10, 1925 1,529,515

M. 0. TANNER INTERNAL COMBUSTI ON ENGINE Filed m. 28, 1922 il/orarz 0.75 22/202:

INVENTOR ATTORNEYS Patented Mar. 10, 1925.

UNITED STATES MORAN O. TANN'ER, F FARBEIJ', PENNSYLVANIA, ASSIGNOR OFTWENTY-ECU! ONE- PATENT-OFFICE.

HUNDREDTHS TO WILLIAM W. WYANT TWENTY-FOUR ONE-HUNDREDTHS T0 WALLACESCQWIDEN, BOTH OI FARRELL, PENNSYLVANIA. I

4 m'rmnnn-confiausrron Enema.

Application med January as, 1922. Serial no. usasvs.

To all whom it may concern:

Be it known that I, MORAN O. TANNER, a citizen of the United States,residin at Farrell, in the county of Mercer and tate of Pennsylvania,have invented certain new and useful Improvements in Internal-Combustion Engines, of which the following 1s a specification.

This invention has reference to internal combustion engines, and itsobject is to avoid timing gearing and to provide means whereby thetiming of the engine, whether of the usual four-cycle type or ofmultlcycle type, is accomplished by mechanism of extreme simplicity,with a mmimum of wearing parts and with positive guidance of-the valvesin their action.

The engine includes the usual form of cylinder and crank shaft and ofvalves for supplying fuel to the engine cyhndenor cylinders, and meansfor properly operating the valves in timed relation to the recipro-'cation of the engine cylinder.

A valve operating means is also incorporated in the engine to cause theusual cycle of operations, in this case having relation to a four cycleengine, or which may or may not be of the multi-cylinder type greater innumber than four.

While the explosion engine has more particular reference to themulti-cylinder type of explosion engines, in. the following detaileddescription, the explanation of the engine for simplicity of descriptionwill be confined to a four 0 cle type of single cylinder construction,or, in adapting the m-" vention to internal combustion engines ofmulti-cylinder type, it is merely necessary to enlarge the valveoperating nechamsm' without any change in the principle of operation. 1

Considering the invention in its simplest of the engine, an irregularcylinder on which there are produced two ribs arranged side by side andat one point in the. circumference of the cylinder, these ribs crosseach other, and, at the point of intersection, there is provided acrossin member,preferably of diamondshape am? constituting a guide fromone rib to the other at point so that the guide will oscillate from onerib to the other overthe diamond-shaped or other junction.

The ribs and the 'oining' guide are always above the sur ace of thecylinder, which has an irregularly conical surface and by means of thesurface andthe ribs formed thereon, the valve movements, causing therunning of the engine are brought about.

The invention will be best understood from a consideration of thefollowing dethe crossing tailed description taken in connection with theaccompan ing drawings forming a part of this speci cation, with theunderstanding that the invention is not confined to any strictconformity with the showing of the drawings, but maybe changed andmodified so long as. such changes and modifications mark no materialdeparture from the salient features of the invention as expressed in theappended claim.

In the drawings v Figure 1 is a vertical axial section of an internalcombustion engine embodying the invention.

Fig. 2 is a section on the line 1, but omitting distant parts. Fig. 3 isa section like that .of Fig. 1, also omitting distant parts.

rotation of the cam. v

1' Referring to the drawings, there is shown an internal combustionengine 1, which may be of the usual upright type, in the basic portionof which there is journaled a crank shaft 2, which may follow the usualpractice in internal combustion engines, and

hence requires no particular description. form, there is mounted on thecrank. shaft Erected on the basic portion 1, is an up- F1g. 4 is asection through the valve opcrating cam at right anglesto the axis of.

right cylinder 3 having the usual water jacket 4, which, also, being ofordinary constructionneeds no especial description.

Within the cylinder 3, there is mounted a power piston 5 of usualconstruction, cen

nected'by a' pit'nianrd crank 7 which may be formed internal combustion.engine, need u in Fig. 1. j 'I-he' eccentric portion of'theewn. cam isof irregular contour and its periph- 2 1' wheel 8 convenientlylocatedwithinthe gas Le ding v 1 3 1 engines as they already .10

' oftlie other rib at this. point.

,gwith the customalil'i on the era intake and exhaust valvestlie. usualfly ring 15 betweenthemwfj r the "cylinder*13 from in 1. points.16, 17are "ducts ;19 and opening o far-as described, thestructureof the intethe'cylinderfi.

in tg e on nd f part to any material vextent from explosion aton' rod 21;-to which is attachedgone end of j fa connecting" rod 22 having a'ball'and socket.

n the shaft 2 .thre 1s a cam 9iformedfconnection, 23 with the rod-"21"lTheend witha concentric and an eccentric portion .ofpthe ,rod; 22remote'ffrom'f 4 a packing shaft 2, the lattercarry'mg r I comprisingtwo jformed integral one with'the other, as shown sock t conn -ti In 23-is formediinto a head: 7' I to engage either-trac -1010 e is so'formedas to provide two arcs l1'" to move along the sharp. .edg f. 'and 11"each having a diiferent radius, but angular portion of the track acommon-radial point, and a straight por- ,The rod 22 oscillates-inagroove'26 thus tion 11 vinto one .end of whi'h. one end ofcausing asidewise reciprocation; of the rod the arc 11 m'er'ges, and the otherend of '22 so as to freely move into engagement with this arc andsaid'straight v by turning inwardly and t en outwardly asiothe'rwhenlpropelled by the. diamond 12. at 11 to merge into the ends ofthe-arcll. In the construction shown-in; "the draw-' Upon the surface ofeach of these two porings, itis' materialthat, the valve 14- be freeftions," is formedan annularsplit rib 10 and to reciprocate foralimiteddistance," but be '11. of triangular cross section, the'ends ofheld the rib 11 being positioned upon the straight the piston rod 21 isprovided witha longiportion 119 and the ends of this ribv are. tudinal'groove iZZ- in'whi'ch engages. a pin irected toward andspacedifrom theends 28,'which'may' be athrough; 1 In'order to maintain t e.

- The cam 9, which is carried and operated by .the shaft 2, is formed ofwhat may be lodged in;ithe cylinder 13 against the upper termed. anouter continuous circular portion end of the pistons or valves 14",aspr'ing29 9.and an inner ortion 97'. The outer portion 9'is setup capscrew 30, s own in Fig.1.; in a manner-to have a continuous plane-pe-The valves 14 are so arranged that they ri heral vsurface of varyingwidth concenperform a doublefunction, one valve servtrically disposedwith res ect to the shaft'2, m as 'an' inlet valve and 1 the other as anas at 10 and further. with a bevelled peexhaust valve, but the twovalves operate ripheral surface of varying widths, as 1 at; in unison toperform their functions. 1O The inner ortion .9 of the cam- 9 The twovalves Hand the two ribs 10 has a substantia y wide continuous plane and11 performdouble functions, simulperipheral surface 10". arrangedeccentii- 'taneously, so that the engine is greatly simcally withrespect to the shaft 2 and .with' plifiedin its construction, andoperation and the major portion thereof offsetfwith rethe cost of'construction; is correspondingly s ect to the plane peripheral surface10 of reduced. Y

t e outer ortion 9 and withthe remaining Theball connection 23 providesfor takpart of t e'plane peripheral surface merging atone side into theplane periphnewal of the rod extension 22. eral surface 10' ofthe outerportion 9. h is claimed The rib 10 traverses the Plane f c Avalvefactuating means for internal of the outer P and has 1173 wcombustion engines comprising a cam car- 1 c d t a andlsRaced {11011101191 e riedand operated by the crank shaft of the of the frog 12? rlb tengine'and formed of a continuous circular frog 12. v

Positioned between and spaced from the" to said shaft and further havinga bevelled structure.

- Peripheral surface. of the inner P outer and a substantiallyoval-shaped inner 9" and has its ends towards portion aid outer portionhaving a con- PF- f the o r egtinuous plane peripheral surface ofvaryingW width concentrically disposed with respect ends of the two ribs is across frog 12 which eripheral surface 'of varying width, said is of pramidal form and diamond-shaped innerportion having a relatively wideconat its ase to facilitate. the action of the tinuous plane eripheralsurface arranged I having the major part" thereof offset witheripheralsurface of avlng the remaining Rising from the casing 1'alongside of the c linder 3' is a valve cylinder 13.- Within respect tothe plane e cylinder 13 is' a reciprocatory piston the outer portion andthe .Jtr'iplortion terminatev either track 10 or 11 and "from one totheagainst" rotation. "*f For this .purpose,

gagement with the ribs. 10 and 11, there is substantially oval-shapedheld "removabl in-positionby means of a- 10" ing up wear withoutnecessitating the re-' guide 21, suitably'l' h' ed, as with a notcheccentrically with respect to said shaft and part thereof merging at oneside into said plane peripheral surface of the outer portion, anoppositely bevelled frog integral with said inner and outer portions atthe pointof mergence of the plane surfaces of the said portions, a ribtraversing said inner portion and having its ends directed towards andspaced from one side of said frog, a rib traversing the plane surface ofthe outer portion and having its ends directed towards 10 In testimonywhereof, I afiix my signa- 16 ture hereto.

MORAN O. TANNER.

